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Forum Index : Solar : parabolic dish and stirling

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imsmooth

Senior Member

Joined: 07/02/2008
Location: United States
Posts: 214
Posted: 01:59pm 12 Aug 2014
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I saw this youtube video where the sun's rays were concentrated on the hot end of a stirling motor. The motor drove a generator and was putting out 10kw according to the video. Has anyone built anything similar to this?
 
fillm

Guru

Joined: 10/02/2007
Location: Australia
Posts: 730
Posted: 01:42pm 16 Aug 2014
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Sounds like one for "Myth Busters"
PhillM ...Oz Wind Engineering..Wind Turbine Kits 500W - 5000W ~ F&P Dual Kits ~ GOE222Blades- Voltage Control Parts ------- Tower kits
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 03:48pm 16 Aug 2014
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Google "solar stirling" will bring up lots of results. Its a much more efficient process compared to plain old solar cells, so it will generate more power for a given area, and there are a few solar farms that use solar stirling collectors. But they need to track the sun very precisely, and have moving parts that will wear.

But for small scale, forget it. Compared to solar stirling, solar cells are cheap, have no moving parts, make no noise, and dont need to track the sun precisely.

Glenn

The best time to plant a tree was twenty years ago, the second best time is right now.
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